Sidnei Quadros De Oliveira, Antonio
Current rating: 1452
Record: 0-3
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 32 | dos Reis, Ruda (1569) | Lost 0-2 | -171483 |
| 4standard | 147 | Villela, Artur (1747) | Lost 1-2 | -131470 |
| 5standard | 205 | Da Silveira Sampaio, Wellington (1466) | Lost 1-2 | -181452 |
| average opponent: 1594record: 0-3 | new rating: 1452 | |||